John Herschel  

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

Sir John Frederick William Herschel, 1st Baronet KH, FRS (March 7, 1792 – May 11, 1871)

was an English mathematician, astronomer, chemist, and experimental photographer/inventor, who in some years also did valuable botanical work.<ref name=HersNAH/> He was the son of astronomer Sir Friedrich Wilhelm Herschel and the father of 12 children.

Herschel originated the use of the Julian day system in astronomy. He named seven moons of Saturn and four moons of Uranus. He made many contributions to the science of photography, and investigated colour blindness and the chemical power of ultraviolet rays.




Unless indicated otherwise, the text in this article is either based on Wikipedia article "John Herschel" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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